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Numerical simulation and experimental study of a ship\' s bubble wake
Author(s): 
Pages: 342-349
Year: Issue:  4
Journal: Journal of Ship Mechanics

Keyword:  尾流空间特性时间特性数值模拟;
Abstract: 文章基于N-S方程,并结合两相流的相关模型,数值模拟了双桨实船气泡尾流.通过海水中气体含量的变化情况,分析了尾流气泡产生、增大、破碎和消失等过程.得到了近场扩散区和远场尾流区中含气量的空间、时间分布特性.研究结果表明,近场尾流区中海水含气量基本以乘幂格式衰减,而在远场尾流区,则与指数衰减格式符合得较好.用光学的方法模拟测量了舰船尾流的衰减规律,实验结果与文中的理论数值结果一致.
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